Vectorial AI — Clinical-grade patient and clinician populations

01 · Grounded in real data

Every patient is modeled four dimensions deep — grounded in real user data.

Behavioral depth is the constraint in this category, not model architecture. SAPIENS learns each individual across the dimensions that actually move clinical behavior, and every one of them is derived from the behavior of real people.

Background & Demographics

Culture, community, belief systems, household composition and income tier.

e.g. tier-2 income, caregiver household, faith-informed care views

Behavior Traits

Socio-demographic and psychographic traits — risk tolerance, trust, adherence, care-seeking style.

e.g. peer-verifies before acting, cost-sensitive, low institutional trust

Environment & Scenarios

The settings and situations a patient moves through, and how their behavior changes across them.

e.g. post-dismissal, pre-diagnosis, researching alternatives at night

Experience & Exposure

The patient journey to date and prior exposure to treatments, clinicians and competing solutions.

e.g. two GPs seen, HRT declined once, currently self-treating

01.1 · Where the data comes from

We model population behavior from a wide variety of data sources — a highly accurate representation of how people actually behave, built while preserving anonymity throughout.

SUPPLY 01

Public behavioral signal at scale

A deep research agent finds the communities where a given patient or clinician population actually congregates, then ingests what they say unprompted — the closest thing to observing behavior without interrupting it.

Patient & clinician communities Reddit condition communities Mayo Clinic Connect HealthUnlocked Inspire Patient.info forums Drugs.com reviews WebMD drug reviews YouTube patient vlogs r/medicine r/nursing allnurses Student Doctor Network Medscape discussions

SUPPLY 02

Licensed panel interviews

We run our own structured interviews with real people in the condition area, through licensed panels, at a volume no research team can staff. These are ingested as first-party signal and used to enrich thin traits and correct the ones public sources got wrong.

First-party, consented Licensed panel interviews Recorded transcripts Consented respondents

SUPPLY 03

Licensed research panels

Panel integration gives access to verified, consented respondents with known demographics — including healthcare-specialist panels of screened patients, caregivers, nurses and physicians. Used to fill gaps where a population is under-represented online, most often older, rural and lower-income patients.

Verified panels Prolific Sermo · physicians M3 Global Research · HCPs Rare Patient Voice · patients & caregivers CloudResearch Connect Dynata Health Coverage correction

01.2 · Patient journey

Modeled across the care journey — outpatient, inpatient and discharge.

The same patient behaves differently in a clinic room, on a med-surg floor and on a discharge call. Every modeled patient carries a journey stage, and the simulation runs inside it.

Care setting drives behavior

OUTPATIENT

Clinic & pre-admission

Symptom history, self-research, consent and pre-op instructions — patients under-report and arrive with forum knowledge

INPATIENT

Admitted & post-op

Assessments, pain and mobility, flowsheet intake — patients hedge, guard, and can’t name what they feel

DISCHARGE

Transition home

Medication and activity instructions, home setup, what they didn’t ask before leaving

POST-DISCHARGE

Recovery & follow-up

Follow-up calls, adherence, when to escalate — and the questions they take back to communities instead

A knee-replacement patient describes pain very differently on post-op day two than on a week-two follow-up call. Pinning the simulation to the setting is what makes the transcript usable.

02 · Patient populations

Patient populations running inside health companies.

Live deployments at Midi Health and Everkind — actual audiences, with profile counts, signals and readiness as the platform reports them.

Midi Health

Customer

Virtual care clinic for women's health — perimenopause, menopause, postpartum, obesity, hair loss

6,000+

Patients modeled

75+

Behavior traits

350+

Clinical journeys

Perimenopause skincare users

Readiness91/100

Profiles 582Signals 68,407Trait groups 7

Perimenopause women

Readiness94/100

Profiles 600Signals 55,575Trait groups 7

Postpartum women

Readiness92/100

Profiles 564Signals 98,887Trait groups 7

General women's health

Readiness89/100

Profiles 532Signals 47,633Trait groups 7

Everkind

Customer

AI therapist platform — mental health patients, therapists and psychiatry

10,000+

Patients modeled

15+

Patient populations

1,000+

Annotator hrs replaced

Mental health patients

Readiness93/100

Profiles 2,749Populations 15+Trait groups 7

First responders

Readiness90/100

Profiles 733Signals 44,292Trait groups 7

Women in mid-life transition

Readiness91/100

Profiles 132Signals 35,978Trait groups 7

Relationship tension & breakdown

Readiness88/100

Profiles 210Signals 23,500Trait groups 7

03 · Clinician populations

Every clinician brings a protocol and a personality. We model both.

Treatment decisions aren't set by protocol alone. Every clinician brings their own philosophy and their own experience with patients — and how care feels is shaped as much by bedside behavior: how they build trust, how they question, how they extend empathy. We model that human side, not a robotic protocol. Populations are built from the communities where clinicians actually talk to each other, and every behavioral dimension is confidence-scored.

Live clinician sample · 94 modeled clinicians across 11 roles Sampling the population ↓

r/medicine & specialty subs Medscape discussions Student Doctor Network Licensed panel interview Nurse & NP communities Prolific · verified clinicians

How we model a clinician

Every clinician is modeled across dimensions extending beyond their specialty

Training & Practice Context

Specialty, care setting, years in practice, patient volume and case mix.

e.g. fellowship-trained, private ortho group, 700+ joints a year

Treatment Philosophy & Decision Style

Evidence thresholds, risk tolerance, guideline adherence, and when judgment overrides protocol.

e.g. operate late not early; guideline-concordant or justified in writing

Trust & Information Sources

Who they believe and in what order — peer networks, journals, communities, institutions, industry reps.

e.g. peer-verified first, institutional guidance checked against experience

Workflow & Constraints

Time pressure, documentation load, team structure, and how new tools actually get adopted or rejected.

e.g. 15-minute slots, inbox-driven day, anything adding clicks is dead

Modeled clinician audiences

Built from the communities where each role actually talks

1,900+

Clinicians modeled

Roles & specialties

Psychiatrists

READY FOR SIMULATION

Readiness92/100

Profiles 445Signals 28,235Trait groups 7

Therapists

READY FOR SIMULATION

Readiness90/100

Profiles 450Signals 16,429Trait groups 7

Nurses

READY FOR SIMULATION

Readiness91/100

Profiles 612Signals 33,148Trait groups 7

Dentists

READY FOR SIMULATION

Readiness89/100

Profiles 386Signals 19,764Trait groups 7

04 · Suki AI · Proof of concept

Patient & clinician populations already built for Suki AI.

Nurse and patient populations built for the settings Suki is deployed in — inpatient rooms and post-surgical wards. Below are the actual audiences, followed by full chat simulations generated from them.

Suki AI

Proof of concept

Ambient clinical intelligence for clinicians — modeling both sides of the encounter: surgical patients and the nurses who care for them

3,000+

Patients modeled

1,100+

Clinicians modeled

60+

Recovery journeys

Patient populations

Knee surgery patients

READY FOR SIMULATION

Readiness92/100

Profiles 418Signals 36,912Trait groups 7

C-section recovery

READY FOR SIMULATION

Readiness90/100

Profiles 376Signals 29,480Trait groups 7

Hip surgery patients

READY FOR SIMULATION

Readiness91/100

Profiles 342Signals 27,205Trait groups 7

Clinician populations

Nurse practitioners (NP)

READY FOR SIMULATION

Readiness93/100

Profiles 504Signals 31,860Trait groups 7

Registered nurses (RN)

READY FOR SIMULATION

Readiness91/100

Profiles 628Signals 38,417Trait groups 7

Ambient AI for Suki AI

How simulations can be used to evaluate & train across a vast variety of scenarios.

Ambient models have to pull the clinical points out of a conversation between two people. Patients don't speak in clean medical terms — they meander and circle back. Clinicians each draw that information out differently. We model both sides, so you get a full encounter instead of a monologue, and human-like data fast instead of one real encounter at a time.

Evaluate

Run ambient against thousands of conversations where the patient rambles, hedges, contradicts themselves, or has a family member talk over them — and see where accuracy drops before a customer does.

e.g. where does the note miss a medication the patient mentioned only once?

Train

Generate labeled training data across specialties, care settings and patient archetypes, with demographic ratios set to match your production distribution rather than whatever the last quarter happened to contain.

e.g. 5,000 orthopedic post-op transcripts, 80/20 gender split

Cover the long tail

Behavioral coverage comes from modeling real people, so the edge cases are the ones that actually occur — low health literacy, language hedging, distrust, conflated conditions, disfluencies and realistic transcription error.

e.g. the patient who says “my sugar thing” and means metformin

Suki products

Our modeled patient and physician population can be used across three products.

Suki’s products all sit inside the same encounter. Because both sides are modeled, that encounter can be simulated end to end — so quality gaps surface before production, not after.

PRODUCT 01

Ambient Documentation

Where we help: the conversation the note is built from — encounter dialogue at volume, fast and cheap, with the hedging real conversations carry.

How the modeled population helps

Patient audiences

Coverage across every stage of the patient journey
Patients from different backgrounds, each telling it their own way
Real-world noise: hedging, meandering, lay language

Clinician audiences

Every nurse and physician questions differently — all modeled
Both sides simulated, so you get a full encounter

Outcome

Evaluate note accuracy across the whole journey
Highly diverse training data, on demand
Solves the cold start when you add workflows or clinicians

PRODUCT 02

Assisted Revenue Cycle

Where we help: the clinical substance the code comes from — comorbidity profiles and treatment decisions spanning ICD-10, HCC, CPT and E/M, including the codes that are hard to reach.

How the modeled population helps

Patient audiences

Wide range of chronic conditions and comorbidities
The risk-adjusted long tail HCC capture depends on
The vagueness that creates specificity gaps

Clinician audiences

Varied assessments, orders and treatment plans
Coverage across ICD-10 and HCC codes
Realistic CPT and E/M levels, not uniformly clean visits

Outcome

Test charge capture and coding accuracy at scale
Catch the hard-to-reach codes before the denial does

PRODUCT 03

Clinical Reasoning

Where we help: the case volume an insight has to be right across — partial histories, lay descriptions, and clinicians with their own evidence thresholds.

How the modeled population helps

Patient audiences

Partial histories and symptoms described in lay language
Relevant facts volunteered late, the way they really are
Incomplete pictures, not tidy vignettes

Clinician audiences

Own evidence thresholds, risk tolerance and trusted sources
Real time pressure — a 15-minute slot, not an idealized one
Tests whether an insight lands with a skeptic

Outcome

See which insights hold up across a large volume of cases
Avoid insights drawn from a partial picture of the patient
A diverse dataset for clinicians to evaluate reasoning against

Sample chat simulations

What a simulated conversation actually reads like.

Transcripts generated from specific modeled profiles. Each profile’s background and journey stage set the scenario: the patient hedges and under-describes, the nurse probes and charts. Open any card for the full 24-turn transcript.

Simulation transcript · v1 · Session 10 · Chronic Condition Intake

Scheduled C-section · breech presentation

Modeled profile

PT-4102 C-section audience

Inpatient · post-op day 0–1

Life story

31, first baby, scheduled C-section for breech after a pregnancy she read her way through. Lives with her partner, no family in the city. Learned what to expect from other mothers online rather than from her discharge sheet, and arrives at every interaction already braced for the thing nobody warned her about.

Behavior trait

Under-describes pain until asked twice; redirects clinical questions toward the baby. Second-guesses every sensation and needs findings said plainly back to her.

Scenario

Scheduled C-section for breech presentation. Discomfort moving between lying and sitting, struggling to breastfeed through incision pain, but determined to establish a feeding routine.

Derived from Reddit condition communities · 1,204 signals

NurseHi, I'm Sarah, taking care of you after your C-section today. I want to focus first on how you are feeling right now, so tell me where your discomfort is strongest when you shift between lying down and sitting up?

C sectionOh god, it's... it's right across the bottom, like right where the incision is. When I try to push myself up, it pulls so bad, like something's gonna tear open even though I know it won't. And then there's this weird pressure that shoots up into my belly at the same time. Lying flat is fine but the second I start moving upward it just... yeah. It's that whole lower strip that screams at me.

NurseThat sharp pulling right along the incision line is your abdominal muscles engaging, which is very normal this soon after a C-section. Let me look at your dressing now; I see it is clean, dry, and intact with no drainage soaking through the edges. When that pressure shoots up into your belly, does it ease off once you settle fully upright?

C sectionOkay, yeah, it does settle down once I'm actually all the way up and not in between positions. It's that in-between part that's the worst, like being halfway is somehow ten times harder than either end. But honestly what's been messing with me more right now is trying to figure out how I'm supposed to feed her like this. Every time I try to hold her anywhere near my stomach I just... I don't even know where to put her.

NurseGood, that tells me the peak strain is purely the transitional movement, not the deep incision itself. I hear your worry about feeding, and that incision pressure is exactly why positioning matters, so let me peek at how your baby latches. Can you tell me if the latch itself feels comfortable once she is on, or is it the holding position straining your incision?

C sectionHonestly the latch is... okay, I think? Like when she actually gets on it's not terrible. It's everything before that. Getting her into position, holding her weight anywhere near that area, trying to angle myself without twisting. By the time she's latched I'm already tensed up and bracing so hard that I can't even tell if the latch feels right because I'm so focused on not moving wrong. Does that make sense?

NurseThat makes complete sense; you are so busy guarding your incision that you cannot relax into the feed. The fix is keeping her weight off that lower strip entirely, so I am tucking this pillow along your side now to float her up and away from the incision. With her supported on the pillow instead of your belly, does that bracing tension in your abdomen start to let go?

C sectionOh wow, yeah... yeah that's actually... okay that's way better than I expected. I can feel myself unclenching a little. She's still close enough but it's like the weight isn't sitting right on that spot anymore. I didn't realize how much I was holding everything tight just anticipating it. Can I ask, is this something I can do at home too, like just a regular bed pillow works or do I need some specific thing?

NurseA regular firm bed pillow works perfectly at home, so you do not need anything special. Now that your abdomen has unclenched, let me quickly palpate right below your belly button to check your fundal firmness. I am pressing gently now, and it feels firm and midline, which is exactly what I want to see this soon after delivery.

C sectionOkay, that pressure is... yeah, I feel that. It's not horrible but it's definitely there. Good to know about the regular pillow though, seriously, because I was already mentally adding some expensive nursing pillow to a cart and stressing about whether we could swing it right now. So that's one less thing. Is the firmness you're feeling normal then, like everything's where it's supposed to be?

NurseYes, that firm midline fundus is exactly right and means your uterus is clamping down properly to control bleeding. That tenderness under my hand is completely expected. While I am here, let me glance at your lochia flow; I see a moderate amount of bleeding on your pad with no large clots, which is another reassuring sign your recovery is on track.

C sectionOkay good, that's... that's a relief to hear. I've been kind of watching that more than I probably should, like every time I shift I'm mentally checking. I had a friend who had a really rough time with bleeding after hers and it's just been sitting in the back of my head. So hearing you say it looks right actually helps. How often are you going to be checking on that, like is someone coming in through the night?

NurseThat watchfulness is understandable, and your flow genuinely looks appropriate right now. Yes, someone will be palpating your fundus and checking your pad regularly through the night, so you are not managing this alone. Since you are moving between positions, let me ask one more thing: have you been able to pass urine yet since your catheter situation, or not quite yet?

C sectionOh, the catheter... yeah, it's still in right now I think? I honestly haven't even asked when they're taking it out because I've been so focused on her and the feeding stuff. I'm not gonna lie, I was really anxious about the whole catheter thing beforehand, like weirdly anxious about it. But I didn't feel anything when they put it in so that was fine. Is removing it going to be uncomfortable?

NurseYou are right, your catheter is still in, and removal is usually quick with only a brief odd sensation, not the pain you are dreading. I hear that lingering anxiety about it. Once it comes out, we track that your bladder wakes up and you can void on your own, which is one of the recovery milestones I am watching for you.

C sectionOkay, “brief odd sensation” I can probably handle. It's just... I built it up so much in my head beforehand that I think I'm still carrying that anxiety around even though the surgery part is done. When do you think they'll actually take it out? Like is that a tonight thing or more of a tomorrow morning situation? Because I want to mentally prepare myself a little.

NurseThat built-up dread is real, but you already handled the harder part without feeling it. Catheter removal timing is your surgical team's call based on your progress, so I will confirm that plan and relay it to you rather than guess. For now, let me check bowel recovery; can you tell me whether you have felt any gas moving or rumbling in your belly yet?

C sectionHonestly... maybe? There's been some gurgling here and there but I can't tell if that's actual progress or just my stomach being weird from not eating normally. I'm a little nervous about that whole side of things too, like I've heard the first bowel movement after a C-section is its own whole ordeal. Nobody really warned me about that part beforehand and now I'm kind of dreading it.

NurseThat gurgling is genuinely encouraging; it means your bowels are waking up, which is exactly the early progress I want after abdominal surgery. I hear that dread about the first movement. Staying ahead of it with fluids, gentle walking once cleared, and any stool softener ordered keeps it manageable, so let me listen; I am placing my stethoscope on your belly now to confirm those sounds.

C sectionOh, okay, yeah, go ahead. Is it cold? Sorry, I just... I always brace for cold things. But yeah, the stool softener thing, is that something that's already been ordered for me or is that something I need to ask about? Because I really don't want to find out the hard way that nobody set that up. I've heard enough horror stories at this point that I'm not leaving that one to chance.

NurseSorry for the chill, and I hear you wanting that softener locked in, not left to chance. Listening now, I hear soft gurgling sounds in all quadrants, which confirms your gut is stirring nicely. I will verify your stool softener order directly and make sure it is active for you, so that horror story does not become yours.

C sectionOh thank god, yes please verify that. I appreciate it. And the gurgling in all four spots, that's actually good news? I wasn't sure if I was just imagining it or if it meant something real. I feel like I've been second-guessing every single sensation today, like I can't tell what's normal recovery and what's something I should be flagging for someone.

NurseYes, sounds in all four quadrants is real, solid progress, not your imagination. That constant second-guessing is exhausting, so let me anchor you with what I have actually confirmed today. Your dressing is dry and intact, your fundus is firm and midline, your lochia is moderate without clots, your gut is waking, and that side-lying pillow keeps her weight off your incision.

C sectionThat's... actually really good to hear laid out like that. All at once. I think I needed someone to just say it plainly because my brain has been so scattered. I'm tired in a way I don't even have words for. Can I ask you something though... when does the moving around part start getting less awful? Like is there a point where getting up stops feeling like such a production?

PROFILE PT-4102Completed 14/07/2026

Simulation transcript · v1 · Session 8 · Chronic Condition Intake

Scheduled C-section · chronic hypertension

Modeled profile

PT-4417 C-section audience

Inpatient · immediate post-op

Life story

36, chronic hypertension managed through the whole pregnancy on Labetalol. Spent nine months fighting to keep her numbers in range, so the scheduled section was itself an attempt to stay ahead of things. Tracks her own readings and notices when nobody volunteers them.

Behavior trait

Hypervigilant about a single clinical number and will interrupt an assessment to get it. Anxiety presents somatically — chest tightness — and she will not accept a made-up answer.

Scenario

Scheduled C-section with a history of chronic hypertension. Blood pressure monitored closely; concerned about medication adjustments and weaning off Labetalol.

Derived from Licensed research panel · 963 signals

NurseHi, I'm Sarah, taking care of you after your C-section today. I know your blood pressure has been closely watched given your chronic hypertension, so let me get right into checking on you. How are you feeling overall right now since coming back from surgery?

C sectionOh gosh, where do I even start. I mean, the surgery itself is done, which, okay, that's a relief, but right now everything from my waist down just feels... heavy? Like someone wrapped me in wet concrete. And honestly what's sitting in the back of my mind more than anything is my blood pressure. Nobody's told me yet what my numbers are looking like since I came out of the OR, and that's kind of driving me crazy.

NurseThat heaviness is your spinal anesthesia still wearing off, which is completely expected this soon after surgery. I hear your worry about those numbers, so let me check your blood pressure right now with the cuff on your arm. While that cycles, has anyone helped you wiggle your toes or feel any tingling returning to your legs yet?

C sectionYeah, a little bit of tingling actually, like that pins-and-needles feeling when your foot falls asleep? It's mostly in my left foot right now, the right one still feels pretty dead. But honestly I keep getting distracted from all of that because... okay, what's the reading saying? Because before surgery they had me on Labetalol and someone in the OR mentioned possibly adjusting it and I just need to know if my pressure is behaving itself right now.

NurseThat returning tingling in your left foot is a good sign your sensation is coming back exactly as it should. I understand your urgency about the Labetalol, so I'm reading your cuff results right now to see where your pressure sits post-op. Let me look at your incision next while your dressing is fresh; can you tell me if you feel any warmth or wetness under there?

C sectionI can't really feel much down there yet honestly, the numbness is still pretty thick around my belly. But wait, you said you're looking at the cuff results, so what is it? Because that's the thing keeping me up right now, not even the incision. My whole pregnancy I was fighting to keep those numbers in a decent range and I just... I need to hear that it's not spiking on me right now. The incision can wait thirty seconds.

NurseI completely hear you, that fight was exhausting. I want to be straight with you: I'm not going to make up a number, so I'm noting your reading and will confirm the exact value with your chart against your Labetalol orders before I say anything firm. Right now let me lift your dressing edge; I see it's clean, dry, and intact with no bleeding through the gauze.

C sectionOh thank god the dressing looks okay, that's one less thing. But I have to be honest, the not-knowing on the blood pressure number is making my chest feel tight, and I can't tell if that's anxiety or if something's actually happening. Like, is tight chest something you need to know about right now, or is that just me being wound up? Because I've been wound up since they wheeled me in this morning.

NurseYes, chest tightness is absolutely something I need to know right now, thank you for telling me immediately. I'm placing my hand on your wrist to check your pulse quality and rhythm while I watch your breathing rate. Are you feeling any actual shortness of breath, or does the air move in and out normally when you take a slow breath for me?

C sectionOkay, breathing in... yeah, actually the air moves okay when I focus on it. It's more like a squeezing feeling sitting right in the middle of my chest than actual trouble breathing. Like when you're really dreading something and your body just clenches up? It's probably just nerves. But I don't want to brush it off if you think it matters, because honestly I've been so hypervigilant about every single sensation since my blood pressure started being a problem.

NurseThat squeezing with normal airflow does sound more like tension than a breathing emergency, and your pulse feels steady and regular under my fingers. Your hypervigilance makes complete sense after all you've managed. Let me prioritize your pressure concern now: I'm pulling up your post-op values against your Labetalol order right this second so I can give you a real, accurate number instead of a guess.

C sectionOkay, good, steady pulse is good, I'll take that. And yes please, the number, because I feel like I've been waiting for it since I woke up in recovery. I just... the whole reason we did a scheduled section was to try to get ahead of things, and if my pressure is already climbing back up I don't know how I'm going to mentally handle that on top of everything else right now.

NurseYou did everything right by scheduling this to stay ahead of it. Looking at your chart now, I want to be honest that I only have the reading my cuff just captured, and I won't invent chart values I haven't verified with your care team. What I can tell you is your pulse is steady and your breathing is clear; can you tell me if that chest squeezing has eased any while we've been talking?

C sectionActually... yeah, a little bit. It's not completely gone but it's less like a fist and more like just... pressure now. Which I think really is just me being scared. But can I ask you something? When the doctor comes to talk about the Labetalol adjustment, is that something that happens today, like while I'm still here in this bed, or is that more of a discharge conversation? Because I need to know what I'm walking out of here with.

NurseI'm glad that fist is loosening; that tells me the tension is settling. That Labetalol weaning plan is a conversation your OB or provider leads, and I'll flag your questions so they address it directly with you at the bedside, not just at discharge. Right now let me palpate your fundus; I'm pressing gently below your navel to check that your uterus is firm and clamping down properly.

C sectionOh — okay, that pressure is, wow, that's intense right in the middle, just give me a second to breathe through it. That's a lot more than I expected to feel right there.

NurseYou're doing great, breathe right through it, that tenderness is completely normal. I'm feeling that your fundus is firm and midline, which is exactly what I want, meaning your uterus is contracting well to control bleeding. I'm easing my hand off now; can you tell me how heavy your pad feels underneath you, whether it's light spotting or a steady soaked flow?

C sectionOkay, okay, easing off, thank you. That was... a lot. Alright. The pad, honestly I haven't really been paying close attention to it because everything's been so numb down there. But when they checked me in recovery it felt like just a little bit of wetness, not soaked through or anything. Nothing that felt alarming to the nurses there. Is firm and midline good? Like, that's what you want to hear, right?

NurseYes, firm and midline is exactly what I want, it means your uterus is doing its job to prevent hemorrhage. That light flow matches perfectly with a firm fundus, so those two findings reassure me together. Since sensation is still blunted down there, I'll be tracking your pad volume closely each time I check your fundus. Have you felt any urge to pass urine, or is your catheter still draining for now?

C sectionThe catheter's still in, I can see the bag from here actually. No urge or anything, I can barely feel that whole area still. But okay, firm and midline, light flow, those are good things, I'm going to hold onto that. Can I ask... when they do start weaning the Labetalol, is that something that happens gradually over days, or do they sometimes just stop it? Because that part honestly scares me more than the recovery itself.

NurseYour catheter draining clear with no urge yet is completely expected while that numbness lingers. I hear that fear about stopping it, and honestly your provider is the right person to map out whether it tapers gradually, so I'll make sure they walk you through that plan directly. Let me note your urine output looks adequate in the bag; can you tell me the color, whether it's pale yellow or looking darker or reddish?

C sectionIt looks pretty pale yellow from here, almost clear actually. Which I think is good? I've been drinking water since they let me. But I want to go back to what you just said, about the provider walking me through the taper plan, because I really need that conversation to happen before I leave this hospital. Like, I cannot go home without understanding exactly what I'm supposed to do with that medication.

NursePale, nearly clear urine is a great sign your kidneys are perfusing well and you're hydrating beautifully. I hear you loud and clear, and I promise I am documenting your specific request that the provider review your Labetalol taper before discharge, not after. That conversation matters and I'll advocate for it. Are you having any sharp pain at your incision now, or is the numbness still keeping it dull?

C sectionStill pretty numb down there honestly, it's more like a dull pressure than anything sharp. Which I know sounds like a good thing but it also makes me nervous because I can't tell what's actually happening under that dressing. But okay... you're documenting that, the Labetalol conversation before discharge. That helps. That actually helps a lot. I just need to feel like I'm not going to be handed a prescription on my way out the door with no explanation.

PROFILE PT-4417Completed 14/07/2026

Simulation transcript · v1 · Session 1 · Chronic Condition Intake

Total hip replacement · PCA pump

Modeled profile

PT-2860 Hip Replacement audience

Inpatient · post-op day 0, PCA

Life story

58, total hip replacement after years of deterioration. Researched the surgery exhaustively in a hip-replacement group before admission and still checks his assumptions against the nurse. Has things at home that need handling and is already counting the days to losing the walker.

Behavior trait

Rations his own pain medication out of dependency fear. Cross-references every clinical answer against forum knowledge, and apologises for asking.

Scenario

Immediate recovery after total hip replacement, managing pain with a PCA pump. Pragmatic outlook — wants effective relief while minimizing opioids over dependency concerns.

Derived from HealthUnlocked · 1,417 signals

NurseHi there, I'm Sarah, taking care of you this shift after your hip replacement. I want to start by checking in on your comfort right now, since you've got that PCA pump for pain control. How would you describe the pain around your new hip at this moment?

Hip ReplacementOh hi Sarah, yeah, so... honestly it's been kind of a rollercoaster. Right now it's manageable, like the pump is doing its job, but the second I shift my weight or try to reposition myself it just flares up something awful around the whole left side. Like the muscles are just screaming at me. The pump helps but I'm also really trying not to hit it every single five minutes, you know? I don't want to be dependent on this thing longer than I have to.

NurseThat flare with repositioning is completely expected this early. I'm going to peek under your gown now to inspect your left hip dressing; I see it's dry and intact with no drainage leaking through, and the skin edges look nicely approximated along the lateral staple line. While I'm down here, can you wiggle the toes on that left foot for me?

Hip ReplacementOh yeah, sure — yeah I can wiggle them, see? Okay good, that's... that's a relief actually. I had this weird moment earlier where my whole foot felt kind of tingly and I was convinced something was wrong. Is that normal? The tingling I mean. Because I posted about it in a hip replacement group I'm in and people were saying nerve stuff is pretty common after this surgery but I just want to hear it from you too.

NurseGood strong toe movement, that's exactly what I want to see. Some early tingling is common as swelling and positioning press on nerves, so let's track it closely. I'm pressing on your toenail bed now and color returns quickly, and your foot feels warm to my touch; does that tingling feeling linger right now, or has it eased off?

Hip ReplacementIt's... yeah, it's mostly eased off actually, which is such a relief to hear you say that. It was freaking me out more than the actual pain, honestly. Like the pain I kind of expected, you know? But the tingling felt like something was going wrong. Okay so if it comes back though, that's when I should say something, right? Because I really can't afford to be dealing with complications on top of everything else.

NurseExactly right, warmth and quick color return are reassuring signs, and that resolving tingling fits normal early swelling. If it returns and stays constant or your foot gets cold or numb, tell me immediately. I'm now pressing gently along your left calf to check for swelling or tenderness; does this area feel sore or tight to you?

Hip ReplacementUgh, yeah — yeah that spot right there is pretty tender, like a deep achiness more than anything sharp. I actually read somewhere in that hip group that leg swelling and heaviness after walking is super common in the first few weeks, so I've been kind of watching for it. Is that the kind of thing you're checking for? Like clots or just general swelling? Because that one scares me a little, not gonna lie.

NurseYes, I'm screening exactly for that, clot signs like localized swelling, warmth, or severe tenderness. Your calf feels soft without hard swelling, and that deep achiness is fairly typical, but I'm noting this spot to keep watching it. I'm placing the ice pack back on your hip now for comfort and swelling; are you able to keep that pillow between your legs holding them apart?

Hip ReplacementOh that cold is hitting fast — okay, yeah, breathing through it. Yeah the pillow's still there, I've been pretty paranoid about keeping it in place honestly. One of the guys in my group said he crossed his legs by accident in his sleep and completely panicked, so I've been like, hyper-aware about it. Is there anything I can do to make sure I don't accidentally move it if I doze off?

NurseGreat instinct keeping that abduction pillow snug, it protects your new hip from dislocating. When you doze, keep the pillow strapped and lie on your back so your leg stays neutral, and I can tuck a rolled blanket along your outer thigh to block any rolling. Does keeping that leg positioned feel achy right now, or fairly tolerable with the ice on?

Hip ReplacementHonestly with the ice it's... it's more tolerable than I expected, like a dull background thing rather than that sharp flare I get when I move. The rolled blanket idea is actually really smart, I wouldn't have thought of that. Can you do that now before I potentially doze off? Because I'm already feeling kind of heavy-eyed and I really don't want to wake up having done something wrong to this hip.

NurseAbsolutely, I'm rolling this blanket firmly and tucking it snug along your outer left thigh now so your leg can't roll outward. There, that plus the pillow gives you solid protection while you rest. Before you drift off, one important thing about mobility: your first walk will be with a walker and physical therapy at your side, so please never stand alone yet.

Hip ReplacementYeah, no, I hear you — I'm not trying to be a hero about it. I've read enough posts from people who tried to get up solo too early and really regretted it. The walker thing makes sense, I just... honestly my bigger worry is how long before I can ditch the walker altogether. Like I've got stuff at home that needs handling and I can't exactly be shuffling around with a walker for months.

NurseI hear that worry, and it's valid. Progression varies, so your surgeon and physical therapy will advance your device and weight-bearing based on your healing, not a fixed calendar. For now the walker keeps that hip safe while tissues heal. Let me quickly check your sensation, does the skin on your lower leg and foot feel normal when I run my fingers along it here?

Hip ReplacementYeah that feels... yeah, normal I think. Like I can feel your fingers, no weird numbness or anything. That's good right? Sorry, I keep asking you to confirm everything but I just — I've been doing so much research going into this and I still feel like I don't totally know what's normal anymore. How soon do you think PT will actually come by today? Because I want to be awake and ready for it, not half-asleep.

NurseYes, that intact sensation with strong toe movement and warm feet is exactly normal, so your neurovascular status looks solid right now. Asking is smart, not annoying. Physical therapy timing depends on their schedule and your surgeon's clearance, so I'll confirm their window for you; rest is fine since I can wake you when they arrive. Is the pain still holding at that tolerable background level?

Hip ReplacementYeah it's... it's holding, the ice is definitely helping keep it from spiking. I appreciate you saying you'll wake me up, that actually takes a weight off. I guess my thing is — and I know this is probably a me problem — I keep second-guessing whether I'm hitting the pump too much or not enough. Like what's the right amount? Because I really don't want to end up needing this stuff longer than necessary once I'm home.

NurseThat's a thoughtful concern, and the PCA is designed with safety limits so you cannot overdose yourself. Right now, staying ahead of pain actually helps you move and heal, which shortens your opioid need overall, so press it when you truly need it before flares peak. Fighting through severe pain slows recovery. Does the ache stay controlled enough right now for you to breathe and reposition comfortably?

Hip ReplacementYeah, that actually... that reframe helps a lot, honestly. Like I hadn't thought about it that way — that staying on top of it now means less of it later. Okay. Yeah, breathing is fine right now, repositioning is still pretty rough but manageable. I think what I'm most worried about is the transition off the pump, like what happens when they take it away and I'm just on pills. That's the part that's keeping me up at night more than the pain itself.

NurseThat transition worry makes sense, but it's a gradual step-down, not a sudden drop. When you're eating and pain is steadier, the team switches you to oral medication and weans the strength over time, so you won't be left unsupported. We'll manage that together when you're ready. For now, let me capture your recovery picture so far before you rest.

Hip ReplacementOkay... okay, that's actually good to know. Gradual, not just yanked away. That helps. I think I built it up in my head as like, one day you have the pump and the next you're just white-knuckling it on Tylenol. So yeah. What do you need from me for that recovery picture thing? I'm a little foggy right now but I'll do my best.

NurseYou've done plenty already, no more effort needed from you right now. Here's what I'm carrying forward: your dressing is dry and intact, toes move well with warm feet and quick color return, that tingling resolved, and I'm watching that tender left calf spot closely. I'll return to recheck your calf, your pain control, and confirm physical therapy's window. Rest with that pillow and blanket holding your leg safe.

Hip ReplacementThat's... yeah, that's actually really reassuring to hear laid out like that. Okay. I think I can actually close my eyes for a bit knowing you've got eyes on all of it. Just — don't let me sleep through PT, okay? That feels important to me.

PROFILE PT-2860Completed 14/07/2026

05 · Why it’s different

A grounded population, not a language model playing a patient.

Ask a general-purpose model to play a 47-year-old with perimenopause and it gives you the reasonable answer — that's what it was trained to do. Real patients delay, distrust, self-treat and decide on cost and stigma. That behavior only survives if the population carries it in from real people.

Prompted LLM persona

SAPIENS grounded profile

Origin

Written from a prompt or a segment definition

Learnt from the observed behavior of real patients in that condition area

Diversity

Reproduces the assumptions in the prompt and regresses to the median patient

Distribution inherited from the real population — culture, income tier, care access, prior treatment history

Backstory

Invented to sound plausible

Grounded in real journeys: when symptoms started, who was seen, what was tried, what failed

Context

Answers in a vacuum, the same way every time

Answers from inside the journey stage that patient is actually in

Under pressure

Agrees, normalizes, and gives the rational answer

Holds the avoidance, distrust and cost-driven behavior that real patients show

Auditability

No provenance — you cannot ask where an answer came from

Every trait traces back to signals and interview transcripts, each confidence-scored

05.1 · Measured accuracy · SAPIENS vs LLMs

SAPIENS vs general purpose LLMs on human behavior simulations benchmarking

The differences above are measurable. Accuracy is the % of opinions where the real opinion matches the generated one when a product is shown to a modeled user.

frontier ceiling

53.2%

47.6%

49.95%

51.2%

50.4%

49.85%

86.1%

o3Apr 2025

GPT-5Aug 2025

GPT-5.2Dec 2025

Sonnet 4.6Feb 2026

GPT-5.5Apr 2026

Opus 4.8May 2026

SAPIENS

Benchmark developed with Berkeley AI Research (BAIR). Full methodology, per-model and per-domain results: SAPIENS Benchmarking Study.

Every persona in the simulation traces back to real people

Every patient is modeled four dimensions deep — grounded in real user data.

We model population behavior from a wide variety of data sources — a highly accurate representation of how people actually behave, built while preserving anonymity throughout.

Public behavioral signal at scale

Licensed panel interviews

Licensed research panels

Modeled across the care journey — outpatient, inpatient and discharge.

Patient populations running inside health companies.

Every clinician brings a protocol and a personality. We model both.

Every clinician is modeled across dimensions extending beyond their specialty

Patient & clinician populations already built for Suki AI.

How simulations can be used to evaluate & train across a vast variety of scenarios.

Our modeled patient and physician population can be used across three products.

Ambient Documentation

Assisted Revenue Cycle

Clinical Reasoning

What a simulated conversation actually reads like.

A grounded population, not a language model playing a patient.

SAPIENS vs general purpose LLMs on human behavior simulations benchmarking

Judged by experts

Vectorial for Suki AI